diff options
| author | Thomas Weißschuh <thomas.weissschuh@linutronix.de> | 2025-07-01 10:58:04 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2025-07-18 13:45:32 +0200 |
| commit | 9b7fc3f14576c268f62fe0b882fac5e61239b659 (patch) | |
| tree | d95ef8658d48429c608884dbc780000aebe58071 /include/vdso | |
| parent | 562f03ed967dc65e513a3e2e9821f656d5333b8e (diff) | |
vdso: Introduce aux_clock_resolution_ns()
Move the constant resolution to a shared header,
so the vDSO can use it and return it without going through a syscall.
Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20250701-vdso-auxclock-v1-10-df7d9f87b9b8@linutronix.de
Diffstat (limited to 'include/vdso')
| -rw-r--r-- | include/vdso/auxclock.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/vdso/auxclock.h b/include/vdso/auxclock.h new file mode 100644 index 000000000000..6d6e74cbc400 --- /dev/null +++ b/include/vdso/auxclock.h @@ -0,0 +1,13 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _VDSO_AUXCLOCK_H +#define _VDSO_AUXCLOCK_H + +#include <uapi/linux/time.h> +#include <uapi/linux/types.h> + +static __always_inline u64 aux_clock_resolution_ns(void) +{ + return 1; +} + +#endif /* _VDSO_AUXCLOCK_H */ |